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Finding the Fourth Proportional to 173,166.60, 259,749.90 and 155,451.90

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Solution

The fourth proportional to 173,166.60, 259,749.90 and 155,451.90 is: 233,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,166.60 : 259,749.90 = 155,451.90 : x
  2. Step 2: Convert to fraction form
    173,166.60/259,749.90 = 155,451.90/x
  3. Step 3: Cross multiply
    173,166.60x = 259,749.90 × 155,451.90
  4. Step 4: Simplify right side
    173,166.60x = 40,378,615,479.81
  5. Step 5: Solve for x
    x = 40,378,615,479.81/173,166.60
  6. Step 6: Final answer
    x = 233,177.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.